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Audi S4 ECU Tuning: Stage 1 Gains by Engine
Dyno-tested Stage 1 results for every Audi S4 engine we have on the bench. Pick your engine for the full page with ECUs, notes and services, or upload your file straight away.
Generations covered: S4 B9
Stage 1 gains by engine
Best Stage 1 result per engine family on the power variants this model carries; the table below lists the versions matched exactly.
| Engine | Stock | HP Gain | Torque Gain | Details |
|---|---|---|---|---|
| 3.0 TFSI petrol | 340–354 hp | from +42 to +53 hp | +69 Nm | Engine page → |
| 3.0T petrol | 330–440 hp | +58 hp | +84 Nm | Engine page → |
Figures are dyno-tested averages and may vary with hardware condition and fuel quality.
Measured by version
Versions of this model whose ECU and stock power match a dyno row exactly: the figure is the one measured on that engine, not a family average.
| Version | Engine | ECU | Stock | HP Gain | Torque Gain | Order |
|---|---|---|---|---|---|---|
| Audi S4 | DL501 GEN1 | 333 hp | +87 hp 420 hp · +26% | +80 Nm | Order file → | |
| Audi S4 | DL501 GEN2 | 333 hp | +87 hp 420 hp · +26% | +80 Nm | Order file → | |
| Audi S4 petrol | SIMOS 8.4 | 333 hp | +67 hp 400 hp · +20% | +80 Nm | Order file → | |
| Audi S4 petrol | SIMOS 8.5 | 333 hp | +67 hp 400 hp · +20% | +80 Nm | Order file → | |
| Audi S4 petrol | ME7.1 | 265 hp | +50 hp 315 hp · +19% | +80 Nm | Order file → | |
| Audi S4 B9 petrol | 3.0 TFSI | MG1CS002 | 354 hp | +42 hp. 396 hp · +12% | +69 Nm | Order file → |
| Audi S4 petrol | ME7.1.1 | 344 hp | +20 hp 364 hp · +6% | +30 Nm | Order file → |
6 more versions of the Audi S4 are in our catalogue: we read their ECU and remap them, the dyno figure is not published yet. Upload your file. Order file →
Measured here, tunable everywhere
The Audi S4 engines listed above are the ones we have run on the dyno, so the figures on their pages are readings rather than software estimates. They are not the limit of what we tune: every ECU, engine and model we can read can be remapped for power, Audi S4 or otherwise. If your engine is not on this list, upload the original file anyway.
Every figure here was measured on this engine at a stock power your car has, sometimes on another car fitted with the same unit; the per-version table below marks only the exact matches.
Frequently Asked Questions
Which Audi S4 engines can be remapped?
The 2 engines in the table above were measured on our dyno: 3.0 TFSI and 3.0T. Other Audi S4 engines can be remapped too when we can read the ECU - the table is what we publish, not the limit of the service.
How much power does a Stage 1 add on a Audi S4?
Between +20 and +87 hp depending on the engine; the best result measured is +87 hp. Every figure is a dyno reading on stock hardware, not an estimate.
Do I have to send the Audi S4 ECU?
No. Read the original file with your tool (KESS3, Autotuner, CMD, Dimsport, PCMTuner and others), upload it, and the tuned file comes back in 15-20 minutes to write into the car. Only the file travels.
Order your Audi S4 tuning file
Upload your original ECU file and receive a professional calibration in 15-20 minutes.
Tune Your File →v4.31.23